Phoebe Sinn, O.D.
Optometrist · San Diego, CA
Phoebe Sinn, O.D. is an optometrist with a practice address in San Diego, California, and NPI 1790917698, issued on Aug 12, 2009. Check the license (California 13795, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Phoebe Sinn
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 13795 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4647 Zion Ave, San Diego, CA 92120
- Phone
- (619) 528-7500
- Enumerated
- Aug 12, 2009
- Record last updated
- Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130506000266); accepts Medicare assignment
- Medical or professional school
- Southern College Of Optometry, 2009
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 4647 Zion Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Linda Adams, PAPhysician Assistant1427174689
- Mette-Margrethe Adkisson, M.D.Emergency Medicine Physician1528288081
Verify Phoebe Sinn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 13795Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average optometrist in 2024
134 Medicare Part D claims for 57 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 60% of claims.
Most prescribed
- Cyclosporine73 claims
- Latanoprost24 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Phoebe Sinn among 8,308 optometrist records in California
Phoebe Sinn, O.D. is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 57% of them.
- NPI issued2009 · 57% of these records are older, 41% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2009 · median 2008 among the 3,573 with a school on file
- Record last updated2021 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in California
There are 8,308 optometrist records in California.
All 8,308 in California → Every provider in San Diego → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Rossanna Alo, ODSan Diego, CA 921201336297233
- Nicole Briggs, ODSan Diego, CA 921201477601300
- David Cheng, ODSan Diego, CA 921201689722514
- Rosina Cullins, O.D.San Diego, CA 921201982639365
- Anne Devine, ODSan Diego, CA 921201386792281
- Frances Gong, ODSan Diego, CA 921201174671085
- Charles Harpur, ODSan Diego, CA 921201194873042
- Richard Hodge, ODSan Diego, CA 921201861540767
Common questions
What is Phoebe Sinn, O.D.'s NPI number?
Phoebe Sinn, O.D.'s National Provider Identifier (NPI) is 1790917698, issued on Aug 12, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Phoebe Sinn, O.D. located?
The NPPES record lists a practice address at 4647 Zion Ave, San Diego, CA, 92120. Phone: (619) 528-7500. Providers update this record themselves, so call before visiting.
How can I verify Phoebe Sinn, O.D.'s license?
NPPES lists California license number 13795, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Phoebe Sinn, O.D. prescribe under Medicare Part D?
In 2024, Phoebe Sinn, O.D. had 134 Medicare Part D claims for 57 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.